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Data a dadansoddiadau o Gyfrifiad 2021
Cyhoeddwyd: 18 February 2020
Cyhoeddwyd: 12 November 2019
Cyhoeddwyd: 13 August 2019
Cyhoeddwyd: 14 May 2019
Cyhoeddwyd: 19 February 2019
Cyhoeddwyd: 13 November 2018
Cyhoeddwyd: 14 August 2018
Cyhoeddwyd: 15 May 2018
Cyhoeddwyd: 21 February 2018
Cyhoeddwyd: 15 November 2017
We moved them to The National Archives website, to keep this website as responsive as possible.
Please note: all historical data is still on this website.